Lead Pipe Map

Montana · population 3,719

Lead pipes in Hardin, MT

29 lead or galvanized lines to replace

Most of Hardin (population 3,719) gets its water from City of Hardin. That system reported 3 lead and 26 galvanized-requiring-replacement service lines out of 1,417, with 865 more of unknown material.

2.0% of City of Hardin's service lines are lead or galvanized requiring replacement, higher than the Montana average (1.1%) and lower than the national average (3.1%).

3Lead
26Galvanized, replace
865Unknown material
523Non-lead

Latest lead test for City of Hardin (Jan 2023–Dec 2025): not detected at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for City of Hardin.

Water systems serving Hardin

Water systemLeadGalv.Unknown% lead
City of HardinMain system3268652.0%
Yellowtail Dam GC SystemAlso serves parts of the city0111.9%

Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.

Check your address in Hardin

The counts above cover the whole water system. To see whether your line is lead, look up your address on City of Hardin's official inventory. Utilities had to make these public by October 16, 2024.

Find the official inventory mapCity of Hardin details

No map yet? Do the 2-minute scratch and magnet test.

Protect your drinking water

If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.

Pitcher filtersCheapest start. Pick one certified to NSF/ANSI 53 for lead, such as Brita Elite, PUR Plus or ZeroWater.See pitchers Faucet-mount filtersFilters straight from the tap. Look for NSF/ANSI 53 lead reduction on the box.See faucet filters Under-sink systemsBest for families. Carbon block (NSF 53) or reverse osmosis (NSF 58) units rated for lead.See under-sink

Choosing a lead-certified filter · Testing your water · Replacement cost

Nearby cities

Check another water system

Questions

Does Hardin, MT have lead pipes?

Yes. City of Hardin, which serves Hardin, reported 3 lead and 26 galvanized-requiring-replacement service lines, plus 865 of unknown material.

Who supplies water to Hardin?

EPA's service area maps place most of Hardin in City of Hardin's service area (PWSID MT0000235). Yellowtail Dam GC System also serves parts of the city or nearby areas.

How do I check whether my Hardin home has a lead service line?

Search your address on City of Hardin's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.

When will lead pipes in Hardin be replaced?

EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask City of Hardin whether your street is scheduled and whether it covers the private side.